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Finding the Fourth Proportional to 188,163.90, 282,337.98 and 88,332.20

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Solution

The fourth proportional to 188,163.90, 282,337.98 and 88,332.20 is: 132,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,163.90 : 282,337.98 = 88,332.20 : x
  2. Step 2: Convert to fraction form
    188,163.90/282,337.98 = 88,332.20/x
  3. Step 3: Cross multiply
    188,163.90x = 282,337.98 × 88,332.20
  4. Step 4: Simplify right side
    188,163.90x = 24,939,534,916.96
  5. Step 5: Solve for x
    x = 24,939,534,916.96/188,163.90
  6. Step 6: Final answer
    x = 132,541.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.